/**
 * Copyright (C) 2016 - 2017 Bosch Sensortec GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the copyright holder nor the names of the
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 *
 * The information provided is believed to be accurate and reliable.
 * The copyright holder assumes no responsibility
 * for the consequences of use
 * of such information nor for any infringement of patents or
 * other rights of third parties which may result from its use.
 * No license is granted by implication or otherwise under any patent or
 * patent rights of the copyright holder.
 *
 * @file	bmp3_defs.h
 * @date	04 Dec 2017
 * @version	1.0.0
 * @brief
 *
 */

/*! @file bmp3_defs.h
    @brief Sensor driver for BMP3 sensor */
/*!
 * @defgroup BMP3 SENSOR API
 * @brief
 * @{*/
#ifndef BMP3_DEFS_H_
#define BMP3_DEFS_H_

/********************************************************/
/* header includes */
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/kernel.h>
#else
#include <stdint.h>
#include <stddef.h>
#endif

/*************************** Common macros   *****************************/

#if !defined(UINT8_C) && !defined(INT8_C)
#define INT8_C(x)       S8_C(x)
#define UINT8_C(x)      U8_C(x)
#endif

#if !defined(UINT16_C) && !defined(INT16_C)
#define INT16_C(x)      S16_C(x)
#define UINT16_C(x)     U16_C(x)
#endif

#if !defined(INT32_C) && !defined(UINT32_C)
#define INT32_C(x)      S32_C(x)
#define UINT32_C(x)     U32_C(x)
#endif

#if !defined(INT64_C) && !defined(UINT64_C)
#define INT64_C(x)      S64_C(x)
#define UINT64_C(x)     U64_C(x)
#endif

/**@}*/

/**\name C standard macros */
#ifndef NULL
#ifdef __cplusplus
#define NULL   0
#else
#define NULL   ((void *) 0)
#endif
#endif

#define TRUE                UINT8_C(1)
#define FALSE               UINT8_C(0)

/********************************************************/
/**\name Compiler switch macros */
/**\name Comment the below line to use fixed-point compensation */
#define FLOATING_POINT_COMPENSATION

/********************************************************/
/**\name Macro definitions */

/**\name I2C addresses */
#define BMP3_I2C_ADDR_PRIM	UINT8_C(0x76)
#define BMP3_I2C_ADDR_SEC	UINT8_C(0x77)

/**\name BMP3 chip identifier */
#define BMP388_CHIP_ID  UINT8_C(0x50)
#define BMP390_CHIP_ID  UINT8_C(0x60)
/**\name BMP3 pressure settling time (micro secs)*/
#define BMP3_PRESS_SETTLE_TIME	UINT16_C(392)
/**\name BMP3 temperature settling time (micro secs) */
#define BMP3_TEMP_SETTLE_TIME		UINT16_C(313)
/**\name BMP3 adc conversion time (micro secs) */
#define BMP3_ADC_CONV_TIME		UINT16_C(2000)

/**\name Register Address */
#define BMP3_CHIP_ID_ADDR		UINT8_C(0x00)
#define BMP3_ERR_REG_ADDR		UINT8_C(0x02)
#define BMP3_SENS_STATUS_REG_ADDR	UINT8_C(0x03)
#define BMP3_DATA_ADDR		UINT8_C(0x04)
#define BMP3_EVENT_ADDR		UINT8_C(0x10)
#define BMP3_INT_STATUS_REG_ADDR	UINT8_C(0x11)
#define BMP3_FIFO_LENGTH_ADDR		UINT8_C(0x12)
#define BMP3_FIFO_DATA_ADDR		UINT8_C(0x14)
#define BMP3_FIFO_WM_ADDR		UINT8_C(0x15)
#define BMP3_FIFO_CONFIG_1_ADDR	UINT8_C(0x17)
#define BMP3_FIFO_CONFIG_2_ADDR	UINT8_C(0x18)
#define BMP3_INT_CTRL_ADDR		UINT8_C(0x19)
#define BMP3_IF_CONF_ADDR		UINT8_C(0x1A)
#define BMP3_PWR_CTRL_ADDR		UINT8_C(0x1B)
#define BMP3_OSR_ADDR			UINT8_C(0X1C)
#define BMP3_CALIB_DATA_ADDR		UINT8_C(0x31)
#define BMP3_CMD_ADDR			UINT8_C(0x7E)

/**\name Error status macros */
#define BMP3_FATAL_ERR	UINT8_C(0x01)
#define BMP3_CMD_ERR		UINT8_C(0x02)
#define BMP3_CONF_ERR		UINT8_C(0x04)

/**\name Status macros */
#define BMP3_CMD_RDY		UINT8_C(0x10)
#define BMP3_DRDY_PRESS	UINT8_C(0x20)
#define BMP3_DRDY_TEMP	UINT8_C(0x40)

/**\name Power mode macros */
#define BMP3_SLEEP_MODE		UINT8_C(0x00)
#define BMP3_FORCED_MODE		UINT8_C(0x01)
#define BMP3_NORMAL_MODE		UINT8_C(0x03)

/**\name FIFO related macros */
/**\name FIFO enable  */
#define BMP3_ENABLE			UINT8_C(0x01)
#define BMP3_DISABLE			UINT8_C(0x00)

/**\name Interrupt pin configuration macros */
/**\name Open drain */
#define BMP3_INT_PIN_OPEN_DRAIN		UINT8_C(0x01)
#define BMP3_INT_PIN_PUSH_PULL		UINT8_C(0x00)

/**\name Level */
#define BMP3_INT_PIN_ACTIVE_HIGH		UINT8_C(0x01)
#define BMP3_INT_PIN_ACTIVE_LOW		UINT8_C(0x00)

/**\name Latch */
#define BMP3_INT_PIN_LATCH			UINT8_C(0x01)
#define BMP3_INT_PIN_NON_LATCH		UINT8_C(0x00)

/**\name Advance settings  */
/**\name I2c watch dog timer period selection */
#define BMP3_I2C_WDT_SHORT_1_25_MS		UINT8_C(0x00)
#define BMP3_I2C_WDT_LONG_40_MS		UINT8_C(0x01)

/**\name FIFO Sub-sampling macros */
#define BMP3_FIFO_NO_SUBSAMPLING		UINT8_C(0x00)
#define BMP3_FIFO_SUBSAMPLING_2X		UINT8_C(0x01)
#define BMP3_FIFO_SUBSAMPLING_4X		UINT8_C(0x02)
#define BMP3_FIFO_SUBSAMPLING_8X		UINT8_C(0x03)
#define BMP3_FIFO_SUBSAMPLING_16X		UINT8_C(0x04)
#define BMP3_FIFO_SUBSAMPLING_32X		UINT8_C(0x05)
#define BMP3_FIFO_SUBSAMPLING_64X		UINT8_C(0x06)
#define BMP3_FIFO_SUBSAMPLING_128X		UINT8_C(0x07)

/**\name Over sampling macros */
#define BMP3_NO_OVERSAMPLING		UINT8_C(0x00)
#define BMP3_OVERSAMPLING_2X		UINT8_C(0x01)
#define BMP3_OVERSAMPLING_4X		UINT8_C(0x02)
#define BMP3_OVERSAMPLING_8X		UINT8_C(0x03)
#define BMP3_OVERSAMPLING_16X		UINT8_C(0x04)
#define BMP3_OVERSAMPLING_32X		UINT8_C(0x05)

/**\name Filter setting macros */
#define BMP3_IIR_FILTER_DISABLE		UINT8_C(0x00)
#define BMP3_IIR_FILTER_COEFF_1		UINT8_C(0x01)
#define BMP3_IIR_FILTER_COEFF_3		UINT8_C(0x02)
#define BMP3_IIR_FILTER_COEFF_7		UINT8_C(0x03)
#define BMP3_IIR_FILTER_COEFF_15		UINT8_C(0x04)
#define BMP3_IIR_FILTER_COEFF_31		UINT8_C(0x05)
#define BMP3_IIR_FILTER_COEFF_63		UINT8_C(0x06)
#define BMP3_IIR_FILTER_COEFF_127		UINT8_C(0x07)

/**\name Odr setting macros */
#define BMP3_ODR_200_HZ		UINT8_C(0x00)
#define BMP3_ODR_100_HZ		UINT8_C(0x01)
#define BMP3_ODR_50_HZ		UINT8_C(0x02)
#define BMP3_ODR_25_HZ		UINT8_C(0x03)
#define BMP3_ODR_12_5_HZ		UINT8_C(0x04)
#define BMP3_ODR_6_25_HZ		UINT8_C(0x05)
#define BMP3_ODR_3_1_HZ		UINT8_C(0x06)
#define BMP3_ODR_1_5_HZ		UINT8_C(0x07)
#define BMP3_ODR_0_78_HZ		UINT8_C(0x08)
#define BMP3_ODR_0_39_HZ		UINT8_C(0x09)
#define BMP3_ODR_0_2_HZ		UINT8_C(0x0A)
#define BMP3_ODR_0_1_HZ		UINT8_C(0x0B)
#define BMP3_ODR_0_05_HZ		UINT8_C(0x0C)
#define BMP3_ODR_0_02_HZ		UINT8_C(0x0D)
#define BMP3_ODR_0_01_HZ		UINT8_C(0x0E)
#define BMP3_ODR_0_006_HZ		UINT8_C(0x0F)
#define BMP3_ODR_0_003_HZ		UINT8_C(0x10)
#define BMP3_ODR_0_001_HZ		UINT8_C(0x11)

/**\name API success code */
#define BMP3_OK				INT8_C(0)
/**\name API error codes */
#define BMP3_E_NULL_PTR			INT8_C(-1)
#define BMP3_E_DEV_NOT_FOUND			INT8_C(-2)
#define BMP3_E_INVALID_ODR_OSR_SETTINGS	INT8_C(-3)
#define BMP3_E_CMD_EXEC_FAILED		INT8_C(-4)
#define BMP3_E_CONFIGURATION_ERR		INT8_C(-5)
#define BMP3_E_INVALID_LEN			INT8_C(-6)
#define BMP3_E_COMM_FAIL			INT8_C(-7)
#define BMP3_E_FIFO_WATERMARK_NOT_REACHED	INT8_C(-8)

/**\name API warning codes */
#define BMP3_W_SENSOR_NOT_ENABLED		UINT8_C(1)
#define BMP3_W_INVALID_FIFO_REQ_FRAME_CNT	UINT8_C(2)

/**\name Macros to select the which sensor settings are to be set by the user.
   These values are internal for API implementation. Don't relate this to
   data sheet. */
#define	BMP3_PRESS_EN_SEL				UINT16_C(1 << 1)
#define BMP3_TEMP_EN_SEL				UINT16_C(1 << 2)
#define BMP3_DRDY_EN_SEL				UINT16_C(1 << 3)
#define BMP3_PRESS_OS_SEL				UINT16_C(1 << 4)
#define BMP3_TEMP_OS_SEL				UINT16_C(1 << 5)
#define BMP3_IIR_FILTER_SEL				UINT16_C(1 << 6)
#define BMP3_ODR_SEL					UINT16_C(1 << 7)
#define BMP3_OUTPUT_MODE_SEL				UINT16_C(1 << 8)
#define BMP3_LEVEL_SEL				UINT16_C(1 << 9)
#define BMP3_LATCH_SEL				UINT16_C(1 << 10)
#define BMP3_I2C_WDT_EN_SEL				UINT16_C(1 << 11)
#define BMP3_I2C_WDT_SEL_SEL				UINT16_C(1 << 12)
#define BMP3_ALL_SETTINGS				UINT16_C(0x7FF)

/**\name Macros to select the which FIFO settings are to be set by the user
   These values are internal for API implementation. Don't relate this to
   data sheet.*/
#define BMP3_FIFO_MODE_SEL			UINT16_C(1 << 1)
#define BMP3_FIFO_STOP_ON_FULL_EN_SEL		UINT16_C(1 << 2)
#define BMP3_FIFO_TIME_EN_SEL			UINT16_C(1 << 3)
#define BMP3_FIFO_PRESS_EN_SEL		UINT16_C(1 << 4)
#define BMP3_FIFO_TEMP_EN_SEL			UINT16_C(1 << 5)
#define BMP3_FIFO_DOWN_SAMPLING_SEL		UINT16_C(1 << 6)
#define BMP3_FIFO_FILTER_EN_SEL		UINT16_C(1 << 7)
#define BMP3_FIFO_FWTM_EN_SEL			UINT16_C(1 << 8)
#define BMP3_FIFO_FULL_EN_SEL			UINT16_C(1 << 9)
#define BMP3_FIFO_ALL_SETTINGS		UINT16_C(0x3FF)

/**\name Sensor component selection macros
   These values are internal for API implementation. Don't relate this to
   data sheet.*/
#define BMP3_PRESS        UINT8_C(1)
#define BMP3_TEMP         UINT8_C(1 << 1)
#define BMP3_ALL          UINT8_C(0x03)

/**\name Macros for bit masking */
#define BMP3_ERR_FATAL_MSK		UINT8_C(0x01)

#define BMP3_ERR_CMD_MSK		UINT8_C(0x02)
#define BMP3_ERR_CMD_POS		UINT8_C(0x01)

#define BMP3_ERR_CONF_MSK		UINT8_C(0x04)
#define BMP3_ERR_CONF_POS		UINT8_C(0x02)

#define BMP3_STATUS_CMD_RDY_MSK	UINT8_C(0x10)
#define BMP3_STATUS_CMD_RDY_POS	UINT8_C(0x04)

#define BMP3_STATUS_DRDY_PRESS_MSK	UINT8_C(0x20)
#define BMP3_STATUS_DRDY_PRESS_POS	UINT8_C(0x05)

#define BMP3_STATUS_DRDY_TEMP_MSK	UINT8_C(0x40)
#define BMP3_STATUS_DRDY_TEMP_POS	UINT8_C(0x06)

#define BMP3_OP_MODE_MSK		UINT8_C(0x30)
#define BMP3_OP_MODE_POS		UINT8_C(0x04)

#define BMP3_PRESS_EN_MSK		UINT8_C(0x01)

#define BMP3_TEMP_EN_MSK		UINT8_C(0x02)
#define BMP3_TEMP_EN_POS		UINT8_C(0x01)

#define BMP3_IIR_FILTER_MSK		UINT8_C(0x0E)
#define BMP3_IIR_FILTER_POS		UINT8_C(0x01)

#define BMP3_ODR_MSK			UINT8_C(0x1F)

#define BMP3_PRESS_OS_MSK		UINT8_C(0x07)

#define BMP3_TEMP_OS_MSK		UINT8_C(0x38)
#define BMP3_TEMP_OS_POS		UINT8_C(0x03)

#define BMP3_FIFO_MODE_MSK		UINT8_C(0x01)

#define BMP3_FIFO_STOP_ON_FULL_MSK	UINT8_C(0x02)
#define BMP3_FIFO_STOP_ON_FULL_POS	UINT8_C(0x01)

#define BMP3_FIFO_TIME_EN_MSK		UINT8_C(0x04)
#define BMP3_FIFO_TIME_EN_POS		UINT8_C(0x02)

#define BMP3_FIFO_PRESS_EN_MSK	UINT8_C(0x08)
#define BMP3_FIFO_PRESS_EN_POS	UINT8_C(0x03)

#define BMP3_FIFO_TEMP_EN_MSK		UINT8_C(0x10)
#define BMP3_FIFO_TEMP_EN_POS		UINT8_C(0x04)

#define BMP3_FIFO_FILTER_EN_MSK	UINT8_C(0x18)
#define BMP3_FIFO_FILTER_EN_POS	UINT8_C(0x03)

#define BMP3_FIFO_DOWN_SAMPLING_MSK	UINT8_C(0x07)

#define BMP3_FIFO_FWTM_EN_MSK		UINT8_C(0x08)
#define BMP3_FIFO_FWTM_EN_POS		UINT8_C(0x03)

#define BMP3_FIFO_FULL_EN_MSK		UINT8_C(0x10)
#define BMP3_FIFO_FULL_EN_POS		UINT8_C(0x04)

#define BMP3_INT_OUTPUT_MODE_MSK	UINT8_C(0x01)

#define BMP3_INT_LEVEL_MSK		UINT8_C(0x02)
#define BMP3_INT_LEVEL_POS		UINT8_C(0x01)

#define BMP3_INT_LATCH_MSK		UINT8_C(0x04)
#define BMP3_INT_LATCH_POS		UINT8_C(0x02)

#define BMP3_INT_DRDY_EN_MSK		UINT8_C(0x40)
#define BMP3_INT_DRDY_EN_POS		UINT8_C(0x06)

#define BMP3_I2C_WDT_EN_MSK		UINT8_C(0x02)
#define BMP3_I2C_WDT_EN_POS		UINT8_C(0x01)

#define BMP3_I2C_WDT_SEL_MSK		UINT8_C(0x04)
#define BMP3_I2C_WDT_SEL_POS		UINT8_C(0x02)

#define BMP3_INT_STATUS_FWTM_MSK	UINT8_C(0x01)

#define BMP3_INT_STATUS_FFULL_MSK	UINT8_C(0x02)
#define BMP3_INT_STATUS_FFULL_POS	UINT8_C(0x01)

#define BMP3_INT_STATUS_DRDY_MSK	UINT8_C(0x08)
#define BMP3_INT_STATUS_DRDY_POS	UINT8_C(0x03)


/**\name	UTILITY MACROS	*/
#define	BMP3_SET_LOW_BYTE			UINT16_C(0x00FF)
#define	BMP3_SET_HIGH_BYTE			UINT16_C(0xFF00)

/**\name Macro to combine two 8 bit data's to form a 16 bit data */
#define BMP3_CONCAT_BYTES(msb, lsb)     (((uint16_t)msb << 8) | (uint16_t)lsb)


#define BMP3_SET_BITS(reg_data, bitname, data) \
				((reg_data & ~(bitname##_MSK)) | \
				((data << bitname##_POS) & bitname##_MSK))
/* Macro variant to handle the bitname position if it is zero */
#define BMP3_SET_BITS_POS_0(reg_data, bitname, data) \
				((reg_data & ~(bitname##_MSK)) | \
				(data & bitname##_MSK))

#define BMP3_GET_BITS(reg_data, bitname)  ((reg_data & (bitname##_MSK)) >> \
							(bitname##_POS))
/* Macro variant to handle the bitname position if it is zero */
#define BMP3_GET_BITS_POS_0(reg_data, bitname)  (reg_data & (bitname##_MSK))

#define BMP3_GET_LSB(var)	(uint8_t)(var & BMP3_SET_LOW_BYTE)
#define BMP3_GET_MSB(var)	(uint8_t)((var & BMP3_SET_HIGH_BYTE) >> 8)

/**\name Macros related to size */
#define BMP3_CALIB_DATA_LEN		UINT8_C(21)
#define BMP3_P_AND_T_HEADER_DATA_LEN	UINT8_C(7)
#define BMP3_P_OR_T_HEADER_DATA_LEN	UINT8_C(4)
#define BMP3_P_T_DATA_LEN		UINT8_C(6)
#define BMP3_GEN_SETT_LEN		UINT8_C(7)
#define BMP3_P_DATA_LEN		UINT8_C(3)
#define BMP3_T_DATA_LEN		UINT8_C(3)
#define BMP3_SENSOR_TIME_LEN		UINT8_C(3)
#define BMP3_FIFO_MAX_FRAMES		UINT8_C(73)

/********************************************************/

/*!
 * @brief Interface selection Enums
 */
enum bmp3_intf {
	/*! SPI interface */
	BMP3_SPI_INTF,
	/*! I2C interface */
	BMP3_I2C_INTF
};

/********************************************************/
/*!
 * @brief Type definitions
 */
typedef int8_t (*bmp3_com_fptr_t)(uint8_t dev_id, uint8_t reg_addr,
		uint8_t *data, uint16_t len);

typedef void (*bmp3_delay_fptr_t)(uint32_t period);

/********************************************************/
/*!
 * @brief Register Trim Variables
 */
struct bmp3_reg_calib_data {
 /**
 * @ Trim Variables
 */
/**@{*/
	uint16_t par_t1;
	uint16_t par_t2;
	int8_t par_t3;
	int16_t par_p1;
	int16_t par_p2;
	int8_t par_p3;
	int8_t par_p4;
	uint16_t par_p5;
	uint16_t par_p6;
	int8_t par_p7;
	int8_t par_p8;
	int16_t par_p9;
	int8_t par_p10;
	int8_t par_p11;
	int64_t t_lin;
/**@}*/
};

/*!
 * @brief bmp3 advance settings
 */
struct bmp3_adv_settings {
	/*! i2c watch dog enable */
	uint8_t i2c_wdt_en;
	/*! i2c watch dog select */
	uint8_t i2c_wdt_sel;
};

/*!
 * @brief bmp3 odr and filter settings
 */
struct bmp3_odr_filter_settings {
	/*! Pressure oversampling */
	uint8_t press_os;
	/*! Temperature oversampling */
	uint8_t temp_os;
	/*! IIR filter */
	uint8_t iir_filter;
	/*! Output data rate */
	uint8_t odr;
};

/*!
 * @brief bmp3 sensor status flags
 */
struct bmp3_sens_status {
	/*! Command ready status */
	uint8_t cmd_rdy;
	/*! Data ready for pressure */
	uint8_t drdy_press;
	/*! Data ready for temperature */
	uint8_t drdy_temp;
};

/*!
 * @brief bmp3 interrupt status flags
 */
struct bmp3_int_status {
	/*! fifo watermark interrupt */
	uint8_t fifo_wm;
	/*! fifo full interrupt */
	uint8_t fifo_full;
	/*! data ready interrupt */
	uint8_t drdy;
};

/*!
 * @brief bmp3 error status flags
 */
struct bmp3_err_status {
	/*! fatal error */
	uint8_t fatal;
	/*! command error */
	uint8_t cmd;
	/*! configuration error */
	uint8_t conf;
};

/*!
 * @brief bmp3 status flags
 */
struct bmp3_status {
	/*! Interrupt status */
	struct bmp3_int_status intr;
	/*! Sensor status */
	struct bmp3_sens_status sensor;
	/*! Error status */
	struct bmp3_err_status err;
	/*! power on reset status */
	uint8_t pwr_on_rst;
};


/*!
 * @brief bmp3 interrupt pin settings
 */
struct bmp3_int_ctrl_settings {
	/*! Output mode */
	uint8_t output_mode;
	/*! Active high/low */
	uint8_t level;
	/*! Latched or Non-latched */
	uint8_t latch;
	/*! Data ready interrupt */
	uint8_t drdy_en;
};

/*!
 * @brief bmp3 device settings
 */
struct bmp3_settings {
	/*! Power mode which user wants to set */
	uint8_t op_mode;
	/*! Enable/Disable pressure sensor */
	uint8_t press_en;
	/*! Enable/Disable temperature sensor */
	uint8_t temp_en;
	/*! ODR and filter configuration */
	struct bmp3_odr_filter_settings odr_filter;
	/*! Interrupt configuration */
	struct bmp3_int_ctrl_settings int_settings;
	/*! Advance settings */
	struct bmp3_adv_settings adv_settings;
};

/*!
 * @brief bmp3 fifo frame
 */
struct bmp3_fifo_data {
	/*! Data buffer of user defined length is to be mapped here
	    512 + 4 */
	uint8_t buffer[516];
	/*! Number of bytes of data read from the fifo */
	uint16_t byte_count;
	/*! Number of frames to be read as specified by the user */
	uint8_t req_frames;
	/*! Will be equal to length when no more frames are there to parse */
	uint16_t start_idx;
	/*! Will contain the no of parsed data frames from fifo */
	uint8_t parsed_frames;
	/*! Configuration error */
	uint8_t config_err;
	/*! Sensor time */
	uint32_t sensor_time;
	/*! FIFO input configuration change */
	uint8_t config_change;
	/*! All available frames are parsed */
	uint8_t frame_not_available;
};

/*!
 * @brief bmp3 fifo configuration
 */
struct bmp3_fifo_settings {
	/*! enable/disable */
	uint8_t mode;
	/*! stop on full enable/disable */
	uint8_t stop_on_full_en;
	/*! time enable/disable */
	uint8_t time_en;
	/*! pressure enable/disable */
	uint8_t press_en;
	/*! temperature enable/disable */
	uint8_t temp_en;
	/*! down sampling rate */
	uint8_t down_sampling;
	/*! filter enable/disable */
	uint8_t filter_en;
	/*! FIFO watermark enable/disable */
	uint8_t fwtm_en;
	/*! FIFO full enable/disable */
	uint8_t ffull_en;
};

/*!
 * @brief bmp3 bmp3 FIFO
 */
struct bmp3_fifo {
	/*! FIFO frame structure */
	struct bmp3_fifo_data data;
	/*! FIFO config structure */
	struct bmp3_fifo_settings settings;
};

#ifdef FLOATING_POINT_COMPENSATION
/*!
 * @brief Quantized Trim Variables
 */
struct bmp3_quantized_calib_data {
 /**
 * @ Quantized Trim Variables
 */
/**@{*/
	float par_t1;
	float par_t2;
	float par_t3;
	float par_p1;
	float par_p2;
	float par_p3;
	float par_p4;
	float par_p5;
	float par_p6;
	float par_p7;
	float par_p8;
	float par_p9;
	float par_p10;
	float par_p11;
	float t_lin;
/**@}*/
};

/*!
 * @brief Calibration data
 */
struct bmp3_calib_data {
	/*! Quantized data */
	struct bmp3_quantized_calib_data quantized_calib_data;
	/*! Register data */
	struct bmp3_reg_calib_data reg_calib_data;
};

/*!
 * @brief bmp3 sensor structure which comprises of temperature and pressure
 * data.
 */
struct bmp3_data {
	/*! Compensated temperature */
	float temperature;
	/*! Compensated pressure */
	float pressure;
};

#else
/*!
 * @brief bmp3 sensor structure which comprises of temperature and pressure
 * data.
 */
struct bmp3_data {
	/*! Compensated temperature */
	int64_t temperature;
	/*! Compensated pressure */
	uint64_t pressure;
};

/*!
 * @brief Calibration data
 */
struct bmp3_calib_data {
	/*! Register data */
	struct bmp3_reg_calib_data reg_calib_data;
};

#endif /* BMP3_USE_FLOATING_POINT */

/*!
 * @brief bmp3 sensor structure which comprises of uncompensated temperature
 * and pressure data.
 */
struct bmp3_uncomp_data {
	/*! un-compensated pressure */
	uint32_t pressure;
	/*! un-compensated temperature */
	uint32_t temperature;
};

/*!
 * @brief bmp3 device structure
 */
struct bmp3_dev {
	/*! Chip Id */
	uint8_t chip_id;
	/*! Device Id */
	uint8_t dev_id;
	/*! SPI/I2C interface */
	enum bmp3_intf intf;
	/*! Decide SPI or I2C read mechanism */
	uint8_t dummy_byte;
	/*! Read function pointer */
	bmp3_com_fptr_t read;
	/*! Write function pointer */
	bmp3_com_fptr_t write;
	/*! Delay function pointer */
	bmp3_delay_fptr_t delay_ms;
	/*! Trim data */
	struct bmp3_calib_data calib_data;
	/*! Sensor Settings */
	struct bmp3_settings settings;
	/*! Sensor and interrupt status flags */
	struct bmp3_status status;
	/*! FIFO data and settings structure */
	struct bmp3_fifo *fifo;
};

#endif /* BMP3_DEFS_H_ */
/** @}*/
/** @}*/
